/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import * as KeyManager from '../internal/key_manager';
import { PbEcdsaPrivateKey, PbKeyData, PbMessage } from '../internal/proto';
import { Constructor } from '../internal/util';
import { PublicKeySign } from './internal/public_key_sign';
/**
 * @final
 */
declare class EcdsaPrivateKeyFactory implements KeyManager.PrivateKeyFactory {
    /**
     */
    newKey(keyFormat: PbMessage | Uint8Array): Promise<PbEcdsaPrivateKey>;
    /**
     */
    newKeyData(serializedKeyFormat: Uint8Array): Promise<PbKeyData>;
    getPublicKeyData(serializedPrivateKey: Uint8Array): any;
    /**
     * Creates a private key proto corresponding to given JSON key pair and with
     * the given params.
     *
     */
    private static jsonToProtoKey;
    /**
     * The input keyFormat is either deserialized (in case that the input is
     * Uint8Array) or checked to be an EcdsaKeyFormat-proto (otherwise).
     *
     */
    private static getKeyFormatProto;
    private static deserializeKeyFormat;
}
/**
 * @final
 */
export declare class EcdsaPrivateKeyManager implements KeyManager.KeyManager<PublicKeySign> {
    private static readonly SUPPORTED_PRIMITIVE;
    static KEY_TYPE: string;
    keyFactory: EcdsaPrivateKeyFactory;
    getPrimitive(primitiveType: Constructor<PublicKeySign>, key: PbKeyData | PbMessage): Promise<PublicKeySign>;
    doesSupport(keyType: string): boolean;
    getKeyType(): string;
    getPrimitiveType(): typeof PublicKeySign;
    getVersion(): number;
    getKeyFactory(): EcdsaPrivateKeyFactory;
    private static getKeyProto;
    private static getKeyProtoFromKeyData;
}
export {};